Home / 2,911.21-4,017.48-1,584.92

Finding the Fourth Proportional to 2,911.21, 4,017.48 and 1,584.92

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Solution

The fourth proportional to 2,911.21, 4,017.48 and 1,584.92 is: 2,187.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911.21 : 4,017.48 = 1,584.92 : x
  2. Step 2: Convert to fraction form
    2,911.21/4,017.48 = 1,584.92/x
  3. Step 3: Cross multiply
    2,911.21x = 4,017.48 × 1,584.92
  4. Step 4: Simplify right side
    2,911.21x = 6,367,364.31
  5. Step 5: Solve for x
    x = 6,367,364.31/2,911.21
  6. Step 6: Final answer
    x = 2,187.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.